Home / 3,332.94-4,996.71-1,386.60

Finding the Fourth Proportional to 3,332.94, 4,996.71 and 1,386.60

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Solution

The fourth proportional to 3,332.94, 4,996.71 and 1,386.60 is: 2,078.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,332.94 : 4,996.71 = 1,386.60 : x
  2. Step 2: Convert to fraction form
    3,332.94/4,996.71 = 1,386.60/x
  3. Step 3: Cross multiply
    3,332.94x = 4,996.71 × 1,386.60
  4. Step 4: Simplify right side
    3,332.94x = 6,928,438.09
  5. Step 5: Solve for x
    x = 6,928,438.09/3,332.94
  6. Step 6: Final answer
    x = 2,078.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.